CN208084847U - A kind of injection mold for tubbiness product - Google Patents

Abstract

The utility model is related to field of plastics processing, more particularly to a kind of injection mold for tubbiness product, its key points of the technical solution are that including dynamic model and cover half, the side of the dynamic model is provided with processing groove, it is installed with core in the processing groove, the side of the cover half is provided with cavity, it further include the actuator of at least two groups pushing tow component and driving pushing tow component, every group of pushing tow component includes sliding block, the first slide opening and push rod, when dynamic model is closed with cover half, the processing groove, sliding block, core and cavity cooperatively form sealing cavity；When demoulding, the push rod pushes sliding block movement, and the distance between adjacent sliders gradually increase, the moving direction of sliding block intersects with core axis, and intersection point is located at side of the dynamic model far from processing groove, solves the problems, such as that product stripping has some setbacks, and keeps the separation of product and mold more smooth.

Description

A kind of injection mold for tubbiness product

Technical field

The utility model is related to field of plastics processing, more particularly to a kind of injection mold for tubbiness product.

Background technology

Tubbiness article is essential a kind of storage tool in people's daily life as bucket, dustbin.Tub Product are in production, it is contemplated that its practicability, its general opening diameter can be more somewhat larger than its base diameter, and at home one As based on plastic barrel.It when producing this plastic barrel, is often completed with injection molding machine, mold is provided in injection molding machine, it is different The bucket of specification has different types of mold.A kind of common plastic bucket 6, as shown in Figure 1, being installed with one close to its opening Circle first is reinforced reinforcing bending downward along 61 one end far from plastic bucket 6 along 61, described first forming the second reinforcement along 62, moulds When expecting that bucket 6 fills water, described first reinforces the height for being less than 6 opening of plastic bucket along 61 height.

In the injection moulding process of above-mentioned plastic bucket 6, material injecting mould passes through machine-shaping, needs to process after molding Good product and mold separation, is conveniently removed.In the separation process of product, often through driving, one is flexibly connected with mold Sliding block push the first reinforcement along 61, so that product is released a part, then by manipulator product is removed.But it is processing In the process, for the requirement to leakproofness, mould inside pressure is larger, and sliding block has product a larger chucking power, product with The separation of mold is relatively difficult.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of injection mould for tubbiness product Tool, keeps the separation process of product smooth.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of injection mold for tubbiness product, including dynamic model and cover half, the side of the dynamic model are provided with processing groove, institute It states and is provided with running channel on cover half, core is installed in the processing groove, the side of the cover half is provided with cavity, further includes at least two groups The actuator of pushing tow component and driving pushing tow component, every group of pushing tow component includes sliding block, the first slide opening and push rod, and the first slide opening is opened In processing groove and run through dynamic model, push rod is slidably arranged in the first slide opening and one end is detachably solid with the sliding block of group with it It connects；When dynamic model is closed with cover half, the processing groove, sliding block, core and cavity cooperatively form sealing cavity, and each sliding block head and the tail abut Form the annulus of a closure；When demoulding, the push rod pushes sliding block movement, and the distance between adjacent sliders gradually increase, The moving direction of sliding block intersects with core axis, and intersection point is located at side of the dynamic model far from processing groove.

Through the above technical solutions, the sealing cavity that dynamic model and cover half are formed after being closed is the shape of processed product, it is former Material enters sealing cavity from running channel.After machine-shaping, push rod push sliding block to far from core center line and towards processing channel opening Direction movement, in the process the distance between each sliding block gradually increase, sliding block disappears to the chucking power of product, is only generated to product One thrust keeps the separation of product and mold smooth.

Preferably, be installed with several guide rods on dynamic model, the length direction of each guide rod respectively with one of push rod Glide direction is parallel, and each sliding block slides on each guide rod respectively.

Through the above technical solutions, sliding block is made to slide on the guide bar, guiding role is played to the movement of sliding block, is avoided The sliding trace of sliding block is not fixed, and the carry out repetitive operation for making sliding block stablize keeps the consistency of product, helps to promote product Quality.

Preferably, the actuator is hydraulic cylinder, it is connected with terminal pad on the telescopic end of hydraulic cylinder, turns in the terminal pad It is dynamic to be provided with the first articulated shaft identical with push rod quantity, it is hinged that coaxial second is respectively and fixedly connected on each first articulated shaft Axis, each push rod are respectively hinged on one of them second articulated shaft, and the hinge axes of each push rod are respectively perpendicular to the cunning of its own Dynamic direction.

By using above-mentioned technical proposal, unified driving is carried out to each push rod using hydraulic cylinder, makes the movement of each push rod Process is consistent, and the stress of each push rod is identical, contributes to the service life for extending push rod；Reduce power source simultaneously, reduces life Produce cost.

It is opened in the first setting slot preferably, the processing groove includes the first setting slot and caulking groove, the caulking groove and is opened far from it One end of mouth, the first setting face area of the slot far from its open at one end are more than the opening area of caulking groove, and dynamic model is closed with cover half When, sliding block is arranged in caulking groove.

By using above-mentioned technical proposal, there is sky between the circumferential cell wall and the circumferential cell wall of caulking groove of the first setting slot Gap, the part that sliding block skids off caulking groove circumferential direction cell wall do not generate frictional force, make the process of slipper push product and mold separation more Smooth, push rod is smaller to the stress of sliding block, helps to improve the service life of push rod.

Preferably, the circumferential cell wall of caulking groove is obliquely installed, the circumferential direction cell wall is arrived close to one end of the first setting channel opening The distance between core is more than its one end far from processing channel opening and arrives the distance between core, sliding when dynamic model is closed with cover half One end of block is abutted with the circumferential cell wall of caulking groove.

By using above-mentioned technical proposal, when dynamic model is closed with cover half, processing groove, sliding block, core and cavity cooperatively form Sealing cavity, the sealing cavity are the shape of processed product, and one end of sliding block must be abutted with the circumferential cell wall of caulking groove to protect Card sealing, and in demoulding, the circumferential cell wall process that sliding block skids off caulking groove no longer needs to seal, and the circumferential direction cell wall inclination is set It sets, guiding role is played to the sliding of sliding block, and the part for skidding off the circumferential cell wall does not generate frictional force vacantly, makes sliding block Sliding it is more smooth.

Preferably, the push rod is cylinder, every group of pushing tow component include at least two push rods and with push rod quantity phase The first same slide opening, push rod are adapted to the first slide opening.

By using above-mentioned technical proposal, since push rod and the first slide opening are adapted to, when getting through the first slide opening on dynamic model, circle Shape is easier to realize, helps to reduce production cost compared to other shapes for processing technology；Every group of pushing tow component setting At least two push rods, anti-limited slip block rotate on push rod, by caulking groove edge card during pulling sliding block towards caulking groove direction Firmly, keep process more smooth.

Preferably, the push rod includes first connecting portion and second connecting portion, first connecting portion and second connecting portion rotation Connection, and pivot center is parallel with its own length direction, first connecting portion and the second hinged axis connection, second connecting portion and cunning Block is threadedly coupled.

By using above-mentioned technical proposal, on the one hand, be set as being threadedly coupled with the connection type of sliding block by push rod, install It is more convenient with dismantling, and stability is high；On the other hand, push rod is divided into the two parts mutually rotated, the rotation of first connecting portion Second connecting portion will not be impacted, facilitate later maintenance.

Preferably, side adjacent with processing groove on the dynamic model is installed with hanging ring.

By using above-mentioned technical proposal, when setting hanging ring increases installation or removal dynamic model can taking point, facilitate work People operates.

Preferably, further including positioning component, if the positioning component includes the side for being installed in dynamic model close to processing groove Dry positioning column and the locating slot being adapted to each positioning column being opened on cover half, each positioning column are evenly distributed in the side Edge.

By using above-mentioned technical proposal, positioning column and locating slot are set, the closing course of dynamic model and cover half is played Positioning action avoids dynamic model from not being aligned with cover half and generate useless part, helps to reduce production cost.

In conclusion the utility model has the advantages that：Product is smooth with mold separation；Help to improve production Efficiency；Contribute to the service life of extension mold；Help to improve product quality；It is conveniently operated；It maintains easily；Help to reduce Production cost.

Description of the drawings

Fig. 1 is the diagrammatic cross-section of tubbiness product；

Fig. 2 is a kind of structural schematic diagram of the injection mold for tubbiness product；

Fig. 3 is the diagrammatic cross-section of dynamic model；

Fig. 4 is diagrammatic cross-section when dynamic model is closed with cover half；

Fig. 5 is dynamic model and the exploded perspective view at hydraulic cylinder；

Fig. 6 is the enlarged diagram of part A in Fig. 5；

Fig. 7 is the structural schematic diagram of sliding block；

Fig. 8 is the enlarged diagram of part B in Fig. 5.

In figure, 1, dynamic model；11, processing groove；111, the first setting slot；112, caulking groove；113, the second setting slot；114, it seals Protrusion；12, core；13, hanging ring；2, cover half；21, cavity；22, setting protrusion；23, running channel；3, pushing tow component；31, sliding block； 311, threaded hole；312, pilot hole；32, the first slide opening；33, push rod；331, first connecting portion；332, second connecting portion；34, liquid Cylinder pressure；341, terminal pad；3411, the first articulated shaft；3412, the second articulated shaft；4, guidance set；41, the second slide opening；42, it leads To bar；5, positioning component；51, positioning column；52, locating slot；6, plastic bucket；61, first reinforces edge；62, second reinforces edge.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of injection mold for tubbiness product, in conjunction with shown in Fig. 2 and Fig. 5, including dynamic model 1, cover half 2, pushing tow component 3, guidance set 4 and shape fixing module 5.

As shown in figure 3, dynamic model 1 is cuboid, one side is provided with processing groove 11, and the side adjacent with processing groove 11 is installed with Hanging ring 13.The processing groove 11 includes circular first setting slot 111, the setting slot 113 of caulking groove 112 and second, and caulking groove 112 is opened in In first setting slot 111, the second setting slot 113 is opened in caulking groove 112, and the setting slot 113 of the caulking groove 112 and second is opened far from it The seal convexity 114 of a ring shape is installed between one end of mouth.It is installed with coaxial circle in the second setting slot 113 Column type core 12.The circumferential cell wall of the caulking groove 112 is obliquely installed, and the cell wall is close to one end that caulking groove 112 is open to core 12 The distance between be more than one end that it is open far from caulking groove 112 the distance between to core 12.

As shown in figure 4, cover half 2 is also cuboid, the circle more somewhat larger than 12 diameter of core is provided at the center of one side Column type chamber 21, in conjunction with shown in Fig. 2, the edge that the cavity 21 is open is installed with a delineation shape protrusion 22, and the cavity 21 is separate Its one end being open is provided with the running channel 23 through cover half 2.

In conjunction with shown in Fig. 4, Fig. 5 and Fig. 6, pushing tow component 3 is provided with four groups, and every group includes a sliding block 31, two first Slide opening 32 and two push rods 33, a hydraulic cylinder 34 drive each group pushing tow component 3 to move.As shown in fig. 7, the sliding block 31 is four points One of annular shape, the outer circle anchor ring of the sliding block 31 be obliquely installed, the circumferential gradient of cell wall of gradient and caulking groove 112 is identical.Knot It closes shown in Fig. 4 and Fig. 7, notch is provided on the inner circle anchor ring of the sliding block 31, sliding block 31 is placed in caulking groove 112.Dynamic model 1 with it is fixed When mould 2 is closed, each sliding block 31, processing groove 11, core 12, cavity 21, setting protrusion 22 and seal convexity 114 cooperatively form sealing Cavity, the shape of the sealing cavity are the shape of processed product, the outer circle anchor ring of sliding block 31 and the circumferential cell wall of caulking groove 112 It abuts completely, the notch abuts completely with seal convexity 114, and four groups of sliding blocks 31 abut from beginning to end forms a close ring.

Each first slide opening 32 is opened in respectively on the end face between seal convexity 114 and the circumferential cell wall of caulking groove 112, same group the The axis of one slide opening 32 is parallel.The axis of each first slide opening 32 is obliquely installed relative to the axis of core 12, the first slide opening 32 with 12 axis of core is located at side of the dynamic model 1 far from processing groove 11 there are intersection point and the intersection point.In conjunction with shown in Fig. 5 and Fig. 7, each cunning The side of block 31 towards the first slide opening 32 is opened there are two threaded hole 311, and each push rod 33 is each passed through one of them first slide opening 32 and is threadedly coupled with sliding block 31 of group with it, each push rod 33 slides in each first slide opening 32.

As shown in figure 5, the telescopic end of hydraulic cylinder 34 is connected with terminal pad 341, and in conjunction with shown in Fig. 5 and Fig. 8, the terminal pad The 341 side rotations far from hydraulic cylinder 34 are provided with four groups of first articulated shafts 3411 corresponding with each sliding block 31, and every group includes two A the first coaxial articulated shaft 3411 is respectively and fixedly connected with coupled 3411 axis of the first articulated shaft on each first articulated shaft 3411 The second parallel articulated shaft 3412 of line, each push rod 33 are respectively hinged on the second corresponding articulated shaft 3412, each group push rod 33 hinge axes are respectively perpendicular to the glide direction of its group of inner push-rod 33.

Push rod 33 includes 332 turns of first connecting portion 331 and second connecting portion 332, first connecting portion 331 and second connecting portion Dynamic connection, pivot center is parallel with its own length direction, and first connecting portion 331 is connect with sliding block 31, second connecting portion 332 and Second articulated shaft 3412 connects.

In conjunction with shown in Fig. 2 and Fig. 6, guidance set 4 includes the second slide opening 41 identical with 32 quantity of the first slide opening and is oriented to Bar 42.Each second slide opening 41 is divided into four groups of, each group second slide opening 41 adjacent thereto first slide openings corresponding with each sliding block 31 32 axis are parallel.First slide opening 32 and the second slide opening 41 are opened in the end between the circumferential cell wall of caulking groove 112 and seal convexity 114 On face, and run through dynamic model 1.Fig. 7 is reviewed, the coaxial pilot hole 312 of the second slide opening 41 adjacent thereto is provided on each sliding block 31, respectively Guide rod 42 is threaded in respectively in the second corresponding slide opening 41, and the second slide opening 41 is stretched out in one end of guide rod 42, respectively Sliding block 31 slides on coupled guide rod 42.

Review Fig. 2, positioning component 5 is provided with four groups, and every group includes positioning column 51 and the locating slot being adapted to it 52, respectively Positioning column 51 is installed in dynamic model 1 close to the side of processing groove 11 respectively, and is uniformly arranged at the edge of the side.Each positioning Slot 52 is opened in cover half 2 close to the side of cavity 21 respectively, and when dynamic model 1 is closed with cover half 2, each positioning column 51 is inserted into each positioning respectively In slot 52.

When dynamic model 1 is closed with cover half 2, sealing cavity is formed between dynamic model 1 and cover half 2, raw material is from described in the entrance of running channel 23 In sealing cavity.After sealing cavity is filled, running channel 23 is closed, and starts to process.After formed product, dynamic model 1 is detached with cover half 2, 34 driving push rod 33 of hydraulic cylinder makes push rod 33 generate thrust to sliding block 31.Sliding block 31 pushes the product of forming to be opened towards processing groove 11 The movement of mouth direction, and axis of the moving direction far from core 12, in the process, the second articulated shaft 3412 is around the first articulated shaft 3411 circumferentially rotate, and the position of 33 hinge axes of push rod constantly changes.Mobile a distance, in the state shown in fig. 8, dynamic model 1 with cover half 2 be in be kept completely separate state, the second articulated shaft 3412 turns to one of the first articulated shaft 3411 far from terminal pad 341 Side, the distance between each sliding block 31 reach maximum, and product is pushed out.After product is removed, hydraulic cylinder 34 is shunk, 33 band of push rod Movable slider 31 sets back, and waiting is processed next time.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (9)

1. a kind of injection mold for tubbiness product, including dynamic model (1) and cover half (2), the side of the dynamic model (1), which is provided with, to be added Work slot (11) is provided with running channel (23) on the cover half (2), core (12), the cover half (2) is installed in the processing groove (11) Side be provided with cavity (21), it is characterised in that：It further include the drive of at least two groups pushing tow component (3) and driving pushing tow component (3) Moving part, every group of pushing tow component (3) include sliding block (31), the first slide opening (32) and push rod (33), and the first slide opening (32) is opened in processing In slot (11) and run through dynamic model (1), push rod (33) is slidably arranged in the first slide opening (32) and sliding block of the one end with it with group (31) detachable affixed；When dynamic model (1) is closed with cover half (2), the processing groove (11), sliding block (31), core (12) and cavity (21) sealing cavity is cooperatively formed, each sliding block (31) head and the tail abut the annulus for forming a closure；When demoulding, the push rod (33) Push sliding block (31) mobile, and the distance between adjacent sliders (31) gradually increase, the moving direction and core of sliding block (31) (12) axis intersects, and intersection point is located at side of the dynamic model (1) far from processing groove (11).

2. a kind of injection mold for tubbiness product according to claim 1, it is characterised in that：It is fixed on dynamic model (1) There are several guide rods (42), the length direction of each guide rod (42) is parallel with the glide direction of one of push rod (33) respectively, Each sliding block (31) is slided on each guide rod (42) respectively.

3. a kind of injection mold for tubbiness product according to claim 1, it is characterised in that：The actuator is liquid Cylinder pressure (34), is connected with terminal pad (341) on the telescopic end of hydraulic cylinder (34), on the terminal pad (341) rotation be provided with Identical first articulated shaft (3411) of push rod (33) quantity is respectively and fixedly connected with coaxial on each first articulated shaft (3411) Two articulated shafts (3412), each push rod (33) are respectively hinged on one of them second articulated shaft (3412), the hinge of each push rod (33) Spindle line is respectively perpendicular to the glide direction of its own.

4. a kind of injection mold for tubbiness product according to claim 1, it is characterised in that：The processing groove (11) Including the first setting slot (111) and caulking groove (112), the caulking groove (112) is opened in one of the first setting slot (111) far from its opening End, the first face area of the setting slot (111) far from its open at one end are more than the opening area of caulking groove (112), dynamic model (1) with it is fixed When mould (2) is closed, sliding block (31) setting is in caulking groove (112).

5. a kind of injection mold for tubbiness product according to claim 4, it is characterised in that：The week of caulking groove (112) It is obliquely installed to cell wall, the circumferential direction cell wall is close to the distance between one end that the first setting slot (111) is open to core (12) It is sliding when dynamic model (1) is closed with cover half (2) more than the distance between its one end far from processing groove (11) opening to core (12) One end of block (31) is abutted with the circumferential cell wall of caulking groove (112).

6. a kind of injection mold for tubbiness product according to claim 1, it is characterised in that：The push rod (33) is Cylinder, every group of pushing tow component (3) include at least two push rods (33) and the first slide opening identical with push rod (33) quantity (32), push rod (33) is adapted to the first slide opening (32).

7. a kind of injection mold for tubbiness product according to claim 6, it is characterised in that：Push rod (33) packet First connecting portion (331) and second connecting portion (332), first connecting portion (331) and second connecting portion (332) rotation connection are included, And pivot center is parallel with its own length direction, first connecting portion (331) is connect with the second articulated shaft (3412), the second connection Portion (332) is threadedly coupled with sliding block (31).

8. a kind of injection mold for tubbiness product according to claim 1, it is characterised in that：On the dynamic model (1) Adjacent side is installed with hanging ring (13) with processing groove (11).

9. a kind of injection mold for tubbiness product according to claim 1, it is characterised in that：It further include positioning component (5), the positioning component (5) include be installed in dynamic model (1) close to processing groove (11) side several positioning columns (51) and The locating slot (52) being adapted to each positioning column (51) being opened on cover half (2), each positioning column (51) are evenly distributed in the side The edge in face.